1 lb / 2 1/2 cups dried posole / hominy
1 medium white or yellow onion
5 cups great-tasting broth (see head note)
1 serrano chile, seeded and minced
2 cups / 12 ounces cooked mung beans, optional**
1 bunch of scallions, trimmed and shredded
To serve: chopped olives, sliced avocado, sprouts or micro greens, toasted sliced almonds, and/or a drizzle of olive or lemon oil.